406634051 has 2 divisors, whose sum is σ = 406634052. Its totient is φ = 406634050.

The previous prime is 406633993. The next prime is 406634141. The reversal of 406634051 is 150436604.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 406634051 - 2⁶ = 406633987 is a prime.

It is not a weakly prime, because it can be changed into another prime (406630051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203317025 + 203317026.

It is an arithmetic number, because the mean of its divisors is an integer number (203317026).

Almost surely, 2^406634051 is an apocalyptic number.

406634051 is a deficient number, since it is larger than the sum of its proper divisors (1).

406634051 is an equidigital number, since it uses as much as digits as its factorization.

406634051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 406634051 is about 20165.1692529470. The cubic root of 406634051 is about 740.8573281253.

The spelling of 406634051 in words is "four hundred six million, six hundred thirty-four thousand, fifty-one".